Henry learns that Gavin is under investigation for questionable real estate transactions, and must choose between loyalty to his boss or his friendship with Gavin. Jane, unaware of Henry's dilemma, has her own decision to make after she discovers the identity of the thief at The Drake. Meanwhile, the eerie apparition of the little girl reappears with a warning about the contents of the suitcase Jane retrieved, and Nona is troubled by alarming visions of Henry's future. Finally, Annie begs for Gavin's help when her "creation" of Kandinsky goes awry, and he offers her a dangerous quid pro quo as a solution, on "666 Park Avenue," SUNDAY, OCTOBER 21 (10:01-11:00 p.m., ET), on the ABC Television Network.